Which one of the following statements is correct regarding reverse T3 (rT3) ?
A) rT3 is physiologically active,but less so than T3.
B) rT3 is formed in the blood by central deiodination of T4.
C) rT3 is decreased in patients with the "euthyroid sick syndrome."
D) Renal failure is associated with elevated rT3 concentrations.
Correct Answer:
Verified
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